9.6 Archiving

When a project represented by a (sub)tree is finished, you may want
to move the tree out of the way and to stop it from contributing to the
agenda. Archiving is important to keep your working files compact and global
searches like the construction of agenda views fast.

C-c C-x C-a (org-archive-subtree-default)

Archive the current entry using the command specified in the variable
org-archive-default-command.